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This worked with the two new released Heavy & Lite versions that just came out. Renaming them to 4.30.

Having said that, artefact masking is not as good as the original 4.25 that was released as a beta.

I am glad that was released as a beta, because that older one still remains the best quality version IMO and better than 4.18 too.

Performance will be an issue. RIFE is extremely demanding, so it depends on your refresh rate and what you are trying to push at default.

Are you dropping frames or having any delayed frames when looking at the stats in MPC?

Try using RIFE at 2x instead of "to screen refresh rate", to test if running at 48 FPS it works without issues.

I also recommend you download  rife_v4.25.7z from Sep 19th from the link below. Not the LITE version from a few days ago.

https://github.com/AmusementClub/vs-mlr … nal-models

Copy the rife_v2 folder from that file above and place it below next to the rife folder:

C:\Program Files (x86)\SVP 4\rife\models

Now restart SVP (exit and open it) and you should see 4.25 v2 as an option to select, right now it's the best version available for quality.

Remember, the first time you run any NEW resolution, RIFE will have to build CACHE for that resolution for that RIFE version.

That takes time, just let it build in the background.

When you are free and happy with a RIFE version, run a bunch of movies and tv shows one by one to build the cache for each different resolution.

Remember the first time you run any new video resolution with any changed RIFE version the popup comes up and cache needs to be built. Every time after that, with the same RIFE version and same resolution you previously ran, it should start immediately.

Just wanted to provide that note, as people aren't aware sometimes they just have to wait for that popup to finish its thing and not close it.

Okay, I have an RTX 3090, so I will speak from my experience with that and scale up for the 4090.

Instead of interpolation To Screen at the top, I run Movie x2, and using a program called Custom Resolution Utility (CRU) I create a custom resolution to create a 48Hz refresh rate 4K to switch to in the nVidia control panel when I want to watch a TV show or movie.

With an RTX 4090, if you can change your refresh rate to 4K 60Hz, 10bpc, RGB, full and perhaps test using To Screen, which will interpolate to 60 FPS at 60Hz, you might be able to push that, hopefully. I can't with the 3090, but perhaps that 4090 is able to do 60 FPS @ 4K, if it can't test Movie x2, and if that works properly, then crease a custom resolution with the method above using CRU.

Matching the FPS and display Refresh Rate gives a smoother experience. I had issues with VRR working properly before (flickering on OLED), so that's why I switch everything manually myself.

For the best RIFE version to use, the developer says 4.18 is the best one, but IMO the best version I have used, with the least visual anomalies, is version 4.25, which was a beta version of 4.26 (which for me is the worst).

Let me know how it goes, as I am interested in knowing the 4090 performance, if the 5090 is too expensive, I might switch to a 4090.

4.26 was the worst for me as well in my testing, it was very stable in some scenarios, but horrible in others.

If you never tried 4.25 by the way, give it a try. I use it instead of 4.18 now for 4K ≤ 1699 frame height. If you have the 4090 you can use it for everything.

Firstly flowreen91, great work on the changed files.

I downloaded and changed the default ones in rife and script folders.

.

Thanks for this, great work.

4.25 v2 remains the best one for artifacts with my testing.

4.26 v2 failed the No Time to Die test at around minute 3 with the sliding glass door (most difficult scene I test). In fact it was the worst I have seen during that specific scene, but in other scenes it performed better than others.

I have reverted back to 4.25 v2 personally. Interesting that after it finished training (became 4.25), artifacts became worse.

So from the simple tests I done above, there is a clear difference between v1 and v2 as shown when testing with model 4.18 v1 and v2 and that is at 4K (3840 x 1600 resolution).

If someone can do the more advanced testing that you mentioned which lowers the resolution more and pushes for very high frame rates, the difference should be very clear between them when comparing frame rates as opposed to GPU usage like me.

Testing should be done with 4.18 v1 and v2

That's more advanced testing than what I do ^ I'm just doing simple testing with samples I am familiar with.

The way I am testing is using MSI Afterburner to monitor GPU usage while using v1 and v2

Initial quick test, I can confirm 4.16 Lite and 4.16 Lite v2 are both performing similar (GPU usage between 82% and 90% when using full 4K), so SVP Devs are maybe right, and my ORIGINAL post before which I edited was most likely correct too. (Edit: check comment below, more powerful Rife 4.18 showed performance difference better)

Because I was testing with v1 and v2 after the update and was seeing similar results, but then I discovered the screen shake problem, which made me change vsmlrt.py and that caused performance changes because it wasn't working properly? (not sure, need more testing).

So the only problem that needs to be fixed is the screen shake issue? (Edit again, nope, v2 performs better still, so might be time SVP add it as an option).

The fixed files posted on the last page work fine.

For reference, there was a time when the performance below would have been 100% gpu usage on v1 and 82% to 90% on v2, that seems to be no longer the case, it's not as big a gap now? (Edit, again there is a performance difference, as seen below).

This explains why I was seeing equal performance before.

To confirm the discussion above, I went to the rife folder and deleted all the models inside rife, and only kept the ones inside rife_v2

RIFE is not working without the v1 models, so basically it means it was just using v1 models even when v2 was selected?

Tested with these above and also rife v2 is not working.

To test properly, remove all the models inside v1, so SVP doesn't fall back to them. That's what I am doing.

Now I need to find a way to make v2 work.

Maybe because I had updated stuff manually before, SVP failed to update some sections (such as the latest vsmlrt.py) when it done the other updates.

I will be formatting my computer soon, so I can test on a full fresh install as well.

I guess for now, discard everything I said above until I test on a new setup. Or someone else can confirm the issue with the example I listed above.

Updated comment above multiple times for accuracy. Also thanks to flowreen91 for posting the original fix for screen shaking in some scenarios while using v2's

I'm on an RTX 3090 so cant speak on the performance of the 4090 and if it's capable of doing full 4K at 60FPS with RIFE 4.18 for example, but personally I am waiting for the 5090 release.

You can also ask in the RIFE thread regarding RIFE performance questions, as most people only check that and not other threads.